<template>
     <section class="loginContainer">
      <div class="loginInner">
        <div class="login_header">
          <h2 class="login_logo">硅谷外卖</h2>
          <div class="login_header_title">
            <a href="javascript:;" :class="{on:isWay}" @click="isWay=true">短信登录</a>
            <a href="javascript:;" :class="{on:!isWay}" @click="isWay=false">密码登录</a>
          </div>
        </div>
        <div class="login_content">
          <form>
            <div :class="{on:isWay}">
              <section class="login_message">
                <input type="tel" maxlength="11" placeholder="手机号"
                v-model="phone">
                <button :disabled="!isRightPhone" class="get_verification" @click.prevent="getCode" :class="{black:isRightPhone}">{{computedTime>0?`还剩${computedTime}s`:'获取验证码'}}</button>
              </section>
              <section class="login_verification">
                <input type="tel" maxlength="8" placeholder="验证码" v-model="code">
              </section>
              <section class="login_hint">
                温馨提示：未注册硅谷外卖帐号的手机号，登录时将自动注册，且代表已同意
                <a href="javascript:;">《用户服务协议》</a>
              </section>
            </div>
            <div :class="{on:!isWay}">
              <section>
                <section class="login_message">
                  <input type="tel" maxlength="11" placeholder="手机/邮箱/用户名" v-model="name">
                </section>
                 <section class="login_verification">
	                 <input type="password" maxlength="8" placeholder="密码"  v-model='pwd' v-if='!isrightPwd'>
                     <input type="text" maxlength="8" placeholder="密码"  v-model='pwd' v-else>
                  <div class="switch_button off" @click="isrightPwd=!isrightPwd" :class="isrightPwd?'on':'off'">
                    <div class="switch_circle" :class="{right:isrightPwd}"></div>
                    <span class="switch_text">{{isrightPwd?'abc':'...'}}...</span>
                  </div>
                </section>
                <section class="login_message">
                  <input type="text" maxlength="11" placeholder="验证码" v-model="captcha">
                  <img class="get_verification" src="http://localhost:4000/captcha" alt="captcha" @click="getCaptcha">
                </section>
              </section>
            </div>
            <button class="login_submit" @click.prevent="login">登录</button>
          </form>
          <a href="javascript:;" class="about_us">关于我们</a>
        </div>
        <a href="javascript:" class="go_back" @click="$router.back()">
          <i class="iconfont icon-jiantou2"></i>
        </a>
      </div>
      <AlertTip :alertText='msg' v-show="showAlert" @closeTip='closeTip'></AlertTip>
    </section>
</template>

<script>
 import {reqPwdLogin,reqSendCode,reqSmsLogin} from '../../api/index'
 import AlertTip from '../../components/AlertTip/AlertTip.vue'
export default {
    props: {

    },
    data() {
        return {
           isWay:true ,   //切换短信验证登录还是密码登录 true表示短信验证登录 false表示密码登录  
           phone:'', //手机号验证码
           code:'',  //手机号短信验证码 
           computedTime:0, //计时时间
           name:'',  // 账号
           pwd:'',   // 密码
           captcha:'' , //图形验证码
           isrightPwd:false, //切换密码是否可以看到
           msg:'',//消息提示
           showAlert:false //控制弹框打开关闭 
        };
    },
    computed: {
      // 判断输入的是否是正确的手机号码
       isRightPhone(){

         return  /^1\d{10}$/.test(this.phone)
       }
    },
    created() {

    },
    mounted() {

    },
    watch: {

    },
    methods: {
      // 打开弹框
      showAlt(text){
        this.showAlert=true
        this.msg=text
      },
      // 关闭弹框
      closeTip(){
         this.showAlert=false
      },
       // 1 获取手机短信验证码
       async getCode(){
       //  alert(11111)
       // 先判断一下倒计时是否在运行 如果computedTime==0 表示停止
          if(!this.computedTime){
              this.computedTime=30
              this.IntervalId= setInterval(()=>{
                this.computedTime--
                if(this.computedTime<=0){
                clearInterval(this.IntervalId)
              }
            },1000)
          }
          // 发送ajax请求 获取到验证码
          let result= await reqSendCode(this.phone)
          // if(result.code==0){
          //     console.log(result.msg);
              
          // }
       },
      //  2 获取图形验证码
      getCaptcha(event){
        // 注意 会产生服务器缓存
         event.target.src='http://localhost:4000/captcha?time='+Date.now()
      },
      // 3 登录提交时间功能开发
      async login(){
          //  3.1 先判断登录方式
          let {isWay,phone,code}=this
          let result
          if(this.isWay){   //表示手机号登录
              if(!phone){
                // alert('手机号不能为空')
                this.showAlt('手机号错误')
                return
              }
              if(!code){
                 this.showAlt('验证码错误')
                return
              }
              // 异步发送
              result= await reqSmsLogin(phone,code)
              // 拿到结果后存储到vuex里面
              // console.log(result);
              
             
          }else{ //表示用户名密码登录
            let {name,pwd,captcha}=this
             if(!name){
                this.showAlt('用户名错误')
                return
              }
              if(!pwd){
                 this.showAlt('密码错误')
                return
              }
               if(!captcha){
                 this.showAlt('图形验证码错误')
                return
              }
                result= await reqPwdLogin({name,pwd,captcha})
              // 拿到结果后存储到vuex里面
              // console.log(result);

          }
          if(result.code==0){
             // 获取到结果后的后续处理
             let userInfo =result.data
              this.$store.dispatch('recordUser',userInfo)
              this.$router.replace('/profile')
          }
        
      }
    },
    components: {
       AlertTip,
    },
};
</script>

<style scoped  lang='stylus' >
 .loginContainer
      width 100%
      height 100%
      background #fff
      .loginInner
        padding-top 60px
        width 80%
        margin 0 auto
        .login_header
          .login_logo
            font-size 40px
            font-weight bold
            color #02a774
            text-align center
          .login_header_title
            padding-top 40px
            text-align center
            >a
              color #333
              font-size 14px
              padding-bottom 4px
              &:first-child
                margin-right 40px
              &.on
                color #02a774
                font-weight 700
                border-bottom 2px solid #02a774
        .login_content
          >form
            >div
              display none
              &.on
                display block
              input
                width 100%
                height 100%
                padding-left 10px
                box-sizing border-box
                border 1px solid #ddd
                border-radius 4px
                outline 0
                font 400 14px Arial
                &:focus
                  border 1px solid #02a774
              .login_message
                position relative
                margin-top 16px
                height 48px
                font-size 14px
                background #fff
                .get_verification
                  position absolute
                  top 50%
                  right 10px
                  transform translateY(-50%)
                  border 0
                  color #ccc
                  font-size 14px
                  background transparent
                  &.black
                    color black
              .login_verification
                position relative
                margin-top 16px
                height 48px
                font-size 14px
                background #fff
                .switch_button
                  font-size 12px
                  border 1px solid #ddd
                  border-radius 8px
                  transition background-color .3s,border-color .3s
                  padding 0 6px
                  width 30px
                  height 16px
                  line-height 16px
                  color #fff
                  position absolute
                  top 50%
                  right 10px
                  transform translateY(-50%)
                  &.off
                    background #fff
                    .switch_text
                      float right
                      color #ddd
                  &.on
                    background #02a774
                  >.switch_circle
                    //transform translateX(27px)
                    position absolute
                    top -1px
                    left -1px
                    width 16px
                    height 16px
                    border 1px solid #ddd
                    border-radius 50%
                    background #fff
                    box-shadow 0 2px 4px 0 rgba(0,0,0,.1)
                    transition transform .3s
                    &.right
                      transform translateX(27px)
              .login_hint
                margin-top 12px
                color #999
                font-size 14px
                line-height 20px
                >a
                  color #02a774
            .login_submit
              display block
              width 100%
              height 42px
              margin-top 30px
              border-radius 4px
              background #4cd96f
              color #fff
              text-align center
              font-size 16px
              line-height 42px
              border 0
          .about_us
            display block
            font-size 12px
            margin-top 20px
            text-align center
            color #999
        .go_back
          position absolute
          top 5px
          left 5px
          width 30px
          height 30px
          >.iconfont
            font-size 20px
            color #999
</style>
